STUDY OF PLASMA VITAMIN B_(12 )CONCENTRATION IN CHINESE ADULTS
- VernacularTitle:我国部分地区成人血浆维生素B_(12)水平比较研究
- Author:
Ling HAO
;
Yihua TIAN
;
Yi TANG
;
Zhu LI
- Publication Type:Journal Article
- Keywords:
plasma vitamin B12;
season;
gender;
geographic difference;
adults
- From:
Acta Nutrimenta Sinica
1956;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To describe the distribution of plasma vitamin B12 concentration in Chinese adults aged 35 to 64 years.Methods:Cross-sectional analysis was empolyed.Plasma vitamin B12 concentration was measured in 2 459 adults sampled from the representative urban and rural areas in the South and North of China.Results:Adjusted plasma vitamin B12 concentration was significantly higher (260 pmol/L) in the Southerners than in the Northerners (189 pmol/L).There were different patterns of seasonal changes of plasma vitamin B12 concentration between South and North.Plasma vitamin B12 concenration was higher during the summer and autumn (269 pmol/L)than during the winter and spring (252 pmol/L) in the South.However,the concentration was lower during the summer and autumn (177 pmol/L) than during the winter and spring (200 pmol/L) in the North.Women tended to have higher plasma vitamin B12 concentration than men.There were 5.5 percent of the participants whose plasma vitamin B12 concentration was lower than 110 mol/L.Conclusion:Significant regional and gender differences in plasma vitamin B12 concentration were observed in Chinese adults.The seasonal changes between the South and North were different.
